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Old 04-03-2012, 07:56 PM
 
27 posts, read 124,441 times
Reputation: 50

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If they just hang from a single strand, they are NOT webworms. Can't remember what they're called, but they are a key source of food for baby birds. You wouldn't want to hurt baby birds, would you?! Leave them, they aren't going to hurt your tree, and with a 'lil intestinal fortitude they won't hurt you!

Basically, these are moth larvae - they feed on oak leaves, but don't worry, 99.9999% of the trees won't even feel or notice them - there's plenty to go around. The reason you notice them is the WIND lately - gusts have dislodged them, meaning they hang down from a silk thread (think of it as a safety harness they've created for themselves) and make themselves a general nuisance to you.

If the critters you've observed are building a "tent" or are completely enclosed in a silk-like mesh, kind of like a cocoon covering almost an entire portion of a leafy branch, then THOSE ARE webworms. You can poke holes in it to let the parasitic wasps and birds have their way with them. Webworms are unsightly, but I know of no tree that hasn't bounced back from them. Use a broom handle, hose, whatever to open the protective web covering - Mama Nature will decimate them for you!

In summary: RELAX, it's only you that's worried - the tree hasn't even noticed!
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Old 04-03-2012, 08:24 PM
 
890 posts, read 1,526,942 times
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Quote:
Originally Posted by Bo View Post
Wasps eat web worms. If you'd like nature to help take care of this problem, don't kill wasps in your yard or knock down their nests!
kill 'em all!
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Old 04-03-2012, 09:40 PM
 
Location: San Antonio, TX
11,144 posts, read 20,343,572 times
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We used to get the webworms hanging down by a single thread. Then you walk into the thread or the wind blows it into your hair, and next thing you know, it's on you! They're usually dark green with a yellow dotted line on the back.

They can make some really huge nests, my parents had one once that was probably four feet long.

I have already had webworms on my doorstep this year and we have no trees bigger than a twig in the neighborhood.
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Old 04-04-2012, 10:02 AM
 
23 posts, read 76,107 times
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The single worms on the Oak trees are Oak Leaf Rollers. If they get out of hand you can use BT like someone said earlier, but if they are not bad I would let them be. I have seen the birds taking care of a lot of them.
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Old 04-04-2012, 02:34 PM
 
Location: San Antonio
898 posts, read 1,244,369 times
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If you have chickens, or know someone who does, you can collect those worms in a jar and the chickens will love you for bringing them some.
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Old 04-04-2012, 09:11 PM
 
Location: San Antonio
409 posts, read 844,372 times
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They might be bookworms..
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Old 04-05-2012, 01:46 PM
 
40 posts, read 235,655 times
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Think they are called army worms.
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Old 04-05-2012, 04:30 PM
 
58 posts, read 109,241 times
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yep army worms.
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Old 08-19-2012, 03:53 AM
 
1 posts, read 3,902 times
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can i get the city to help get rid of the worms and save the tree
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Old 04-28-2014, 08:52 AM
 
3 posts, read 7,973 times
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The little green worms hanging on a silk thread from Oak trees are basically harmless a nuisance but harmless. The little green worms feed on Oak Tree leaves and then do what most caterpillars do form a cocoon and then turn into a moth. Their feeding is usually of little consequence to the oak trees there are plenty of leaves for the tree and the worm. (From an expert from Florida, Mr. Orr)
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